Mathematics Question answer collection & Notes page number 9

81. Solve the following pair of linear equations by the elimination method : 3x + y = 10 and 2x + 2y = 12. 2022 82. Solve the following pair of linear equations by the substitution method : 2022 83. Construct a triangle of sides 4 cm, 5 cm and 6 cm and then a triangle similar to it whose sides are 2/3 of the corresponding sides 2022 84. Construct a triangle similar to a given triangle ABC with its sides equal to 3/4 of the corresponding sides of the triangle ABC. 2022 85. A Juice seller was serving his customers using glasses as shown in fig. The inner diameter of the cylindrical glass was 5 cm but 2022 86. A cone of height 24 cm and radius of base 6 cm is made up of modelling clay. A child reshapes it in the form of a sphere. Find 2022 87. Consider the following distribution of doily wages of 50 workers of a factory. Find the mean daily wages of the workers of the 2022 88. The distribution below shows the number of wickets taken by bowlers in one–day cricket matches. Find the mean number of 2022